| Global Score | |
| 73.7 | 98.1 |
| Basic Information | |
| Xiaomi | Samsung |
| Android | Android 11 |
| -- | 2021-01-29 |
| 5.55 x 2.81 x 0.20 inches | 6.50 x 2.98 x 0.35 inches |
| -- | 8.04 ounces |
| -- | Phantom black and Silver |
| -- | Aluminum and Glass (Corning Gorilla Glass Victus) |
| -- | Scratch-Resistant Glass |
| $ 419.00 | $ 966.00 |
| Display / Screen | |
| 5.2 inches | 6.8 inches |
| 1440 x 2560 pixels (Quad HD / 2K) | 3200 x 1440 pixels |
| -- | Dynamic AMOLED |
| 565 pixels per inch | 516 pixels per inch |
| -- | 1500 cd/m2 brightness |
| Capacitive, Multi-touch | No touch screen |
| 9.3 | 9.8 |
| Performance | |
| Qualcomm Snapdragon 805 APQ8084 chipset | Qualcomm Snapdragon 888 chipset |
| Krait 450 (Quad-Core 2700 MHz) processor | Kryo 680, 64-bit, 5 nm (Octa-Core 2840 MHz) processor |
| 3 GB (800 MHz) RAM | 12 GB RAM |
| Adreno 420 (500 MHz) GPU | Adreno 660 GPU |
| 9.54 | 9.72 |
| Storage | |
| 64 GB internal memory | 128 GB internal memory |
| No SD card slot | No SD card slot |
| 7.7 | 10.1 |
| Camera | |
| 16.00 MP + 8.00 MP | 108.00 MP + 40.00 MP |
| f/1.80 aperture | f/1.80 aperture |
| -- | 24.00mm focal length |
| -- | 0.75 inches (1/1.33") sensor |
| -- | 7680 x 4320 (24 fps) video resolution |
| -- | 1280 x 720 (960 fps) (HD) slow motion video |
| 8.25 | 13.75 |
| Networks | |
| Wi-Fi | Wi-Fi |
| -- | Mobile Hotspot |
| LTE (4G), HSPA, HSUPA, EDGE and GPRS | 5G, 5G, LTE-A (4G), LTE (4G), HSPA+ (4G), HSDPA and HSUPA |
| -- | Nano SIM |
| 5.9 | 10.7 |
| Battery Life | |
| 3600mAh Li-Ion Battery | 5000mAh Li - Polymer Battery |
| Removable Battery | Non-Removable Battery |
| -- | Wireless Charging |
| 5.6 | 6.8 |
| Other Features | |
| Bluetooth | Bluetooth 5.1 |
| GPS | GPS |
| -- | NFC |
| -- | Fingerprint ID Scanner |
| Accelerometer, Compass, Light Sensor and Proximity Sensor | Accelerometer, Barometer, Compass, Gyroscope, Light Sensor and Proximity Sensor |
| -- | FM Radio |
The Samsung Galaxy S21 Ultra has a global score of 98.1, which is much better than Xiaomi Mi 5's global score of 73.7. The Samsung Galaxy S21 Ultra has a bit more vivid screen than Xiaomi Mi 5, because although it has a quite worse screen density, it also counts with a way bigger screen and a bit higher resolution of 1440 x 3200.
Galaxy S21 Ultra counts with a little better hardware performance than Xiaomi Mi 5, because although it has doesn't have a GPU, it also counts with a larger number of cores and a greater amount of RAM memory. The Samsung Galaxy S21 Ultra has a greater camera than Xiaomi Mi 5, and although they both have a same size camera aperture, the Samsung Galaxy S21 Ultra also has a way more MP back facing camera.
The Samsung Galaxy S21 Ultra features a much bigger memory capacity to store more apps and games than Xiaomi Mi 5, because it has 128 GB internal storage. Galaxy S21 Ultra counts with a very superior battery life than Xiaomi Mi 5, because it has a 39% more battery size.
The Galaxy S21 Ultra is a lot more expensive than the Xiaomi Mi 5, but it's still a convenient choice, because you can get a better phone for that extra money.
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